Understanding BPC 157 and TB 500: An Educational Overview

BPC 157 (Body Protection Compound-157) and TB 500 (Thymosin Beta-4 synthetic analog) are two peptides that have attracted significant attention in biochemical research. This platform provides comprehensive educational content on their chemical composition, molecular structure, and laboratory research standards without making any functional or therapeutic claims.

BPC 157: Molecular Profile

BPC 157 is a synthetic pentadecapeptide consisting of 15 amino acids. Its amino acid sequence is Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val, commonly abbreviated as GEPPPGKPADDAGLV. The peptide has a molecular formula of C62H98N16O22 and a molecular weight of approximately 1,419.55 g/mol. Originally identified in human gastric juice research, BPC 157 has been the subject of extensive laboratory characterization studies.

PropertyBPC 157TB 500
Amino Acid Count1543 (full Tb-4)
SequenceGEPPPGKPADDAGLVAc-SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGES
Molecular FormulaC62H98N16O22C212H350N56O78S
Molecular Weight~1,419.55 g/mol~4,963.55 g/mol
OriginGastric juice derivedThymosin Beta-4 analog

TB 500: Molecular Profile

TB 500 is a synthetic version of Thymosin Beta-4, a naturally occurring 43-amino acid peptide. The full amino acid sequence of Thymosin Beta-4 is Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser. TB 500 has a molecular weight of approximately 4,963.55 g/mol. The active binding motif LKKTETQ has been identified as a key structural region in laboratory studies.

Educational Focus

All content on this platform is strictly educational. We discuss peptide chemistry, molecular structure, formulation science, and research methodology. We do not provide dosing recommendations for human use or make any therapeutic claims. BPC 157 and TB 500 are intended for laboratory research purposes only.

For a detailed comparison of these two peptides, including their structural differences and biochemical properties, visit our BPC 157 and TB 500 comparative analysis page. For information about specific dosage forms, see our dosage forms guide.